First week sales reports for Britney's newest album Circus have begun to surface, starting with the UK.

According to Yahoo! UK, Circus opened up at #4 on The Official UK Top 75 Albums - Week of Monday, December 8th. New reports say Circus sold over 76,000 copies in the UK alone, nearly doubling Britney's first-week efforts for "Blackout."

Numbers for the U.S. have still not been reported, but things are looking a lot brighter for Americans! According to new estimates from Hitsdailydouble.com, Britney is expected to sell 470-490k copies of her 6th studio album in its first week alone!

Additionally, the Circus album is expected to debut at #1 on Billboard's Hot 100 chart!